The PDF Printer error invalidfont pops up when you try to print documents via Adobe Reader. Here are all fixes to resolve invalidfont error.

Print spooler errors can occur in Windows 10, regardless of the application you're printing from, and may appear in many ways: ...

To use it, go to File > Open > Browse and select the Word file that's not printing correctly. Then, click the tiny arrow next to the Open button and select Open and Repair.

How to fix Windows 0x0000007c printing errors This week, Microsoft started to share a fix for the 0x0000007c printing errors in support calls with desperate Windows admins.